Hivoltrans Electricals Pvt. Ltd. Offers 11KV Dead Tank Type Three Phase Transformer. Hivoltrans Electricals Pvt. Ltd. Holds a 9001:2000 quality assurance certifications. 11KV Dead Tank Type Three Phase Transformer is installed in outdoor, pedestal mounted, upright standing, effectively earthed with insulation level of 28/75 KV. 11KV Dead Tank Type Three Phase Transformer has an operating frequency of 50 / 60 Hz and primary current of up to 1000[Amps]. It has a short thermal suitable current up to 13.1 kA / 1 Secs.